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| 136)Binary equivalent of 8 is | |||
| 100 | 1000 | ||
| 1111 | 0001 | ||
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| 137)Which gate is similar to the function of two series switches? | |||
| AND | OR | ||
| NOR | NAND | ||
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| 138)Which gate is similar to the function of two parallel switches? | |||
| AND | OR | ||
| NAND | NOR | ||
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| 139)Which memory is highest in speed | |||
| RAM | ROM | ||
| Cache | Processor register | ||
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| 140)Which one of the following comsumes least power? | |||
| ECL | CMOS chip | ||
| TTL | None of these | ||
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| 141)Out of LCD & LED which one consumes least power? | |||
| LCD | LED | ||
| Both consumes same power | None of these | ||
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| 142)A device that converts from decimal to binary number is called | |||
| Encoder | Decoder | ||
| Converter | None of these | ||
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| 143)How many flip flops are required to make a 4 bit counter? | |||
| 2 | 4 | ||
| 6 | 8 | ||
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| 144)Out of LCD & LED which one is slower in speed? | |||
| LED | LCD | ||
| Both have same speed | None of these | ||
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| 145)Which logic circuit is fastest? | |||
| RTL | TTL | ||
| DTL | None of these | ||
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| 146)Which one of the following is minimum error code | |||
| Binary code | Gray code | ||
| Octal code | None of these | ||
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| 147)Which of the following system is digital? | |||
| PWM | PCM | ||
| PPM | PFM | ||
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| 148)Which of the following computer language is used mainly for mathematical purpose? | |||
| C++ | BASIC | ||
| JAVA | FORTRAN | ||
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| 149)How many types of buses are there in a microprocessor? | |||
| 1 | 2 | ||
| 3 | 4 | ||
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| 150)Which one of the following is not a network topology | |||
| Star | Bus | ||
| Graph | Ruster | ||
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